Why does saying yes to a small favour make us say yes to a big one?
Two phone calls three days apart made people more than twice as willing to let strangers search their kitchen cupboards. The first call asked for almost nothing.
▶ Start the storyBecause once you have said yes to something small, you see yourself as the kind of person who helps, and you try to stay consistent with that picture. Psychologists call this the foot-in-the-door technique: a tactic that gets a person to agree to a large request by getting them to agree to a modest one first. The name comes from door-to-door salesmen who kept the door from shutting by wedging in a foot, leaving the customer little choice but to hear the pitch.
In one early study, a team of psychologists phoned housewives in California and asked a few questions about the household products they used. Three days later they phoned again, and this time asked if they could send five or six men into the house to go through cupboards and storage places for two hours. The women who had answered the first call were more than twice as likely to say yes as a group asked only the big question. The technique was named by Jonathan Freedman and Scott Fraser of Stanford in 1966, and it has worked in modern settings too, such as petitions and even requests by email.
Step 1: Call 1
A few questions about household products
Step 2: A small yes
Easy, so most agree
Step 3: Three days later
The second call comes
Step 4: Call 2
Two hours of men searching the cupboards
Step 5: Result
More than twice as many say yes
The best-known explanation is , from the psychologist Daryl Bem: people work out their attitudes partly by watching what they do. After saying yes, the thought goes, you decide it was truly your own choice, and you stay consistent with it when a bigger request arrives.
But the picture is not tidy. The explanation is disputed, and results on donations are mixed: some studies found more giving, others found no significant effect. The lesson for you: the next time a small, easy ask is followed by a bigger one, notice the staircase.
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Recap
Agreeing to a small request can change how we see ourselves, which makes a larger request easier to accept, although the effect is a tendency and the explanation is disputed.
💡 A trick to remember it · A small yes is a first stair: once you stand on it, the next one looks like a short step.
Surprising fact · A short phone survey made women more than twice as likely to let strangers search their cupboards days later.
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Sources (2)
No source, no claim. Every fact in this lesson (16 claims) cites at least one of these.